MEDIROM Healthcare Technologies Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| JANE STREET GROUP, LLC | 11/14/2025 | 155.07 K | $328.75 K | 100.00% | 3.04% |
| GAMMA INVESTING LLC | 10/02/2025 | 4.61 K | $9.78 K | 4,336.54% | 0.09% |
| TOWER RESEARCH CAPITAL LLC (TRC) | 11/14/2025 | 3.38 K | $7.16 K | 30,600.00% | 0.07% |
| RHUMBLINE ADVISERS | 11/06/2025 | 1.31 K | $2.77 K | 18.82% | 0.03% |
| MARINER, LLC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| CITADEL ADVISORS LLC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| UBS GROUP AG | 11/13/2025 | 0 | $0 | -100.00% | 0.00% |
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MEDIROM Healthcare Technologies Inc. institutional Ownership - FAQ's
During the previous two years, 7 institutional investors and hedge funds held shares of MEDIROM Healthcare Technologies Inc.. The most heavily invested institutionals were:
JANE STREET GROUP, LLC: 155,071
GAMMA Investing LLC: 4,614
Tower Research Capital LLC (TRC): 3,377
RHUMBLINE ADVISERS: 1,307
Mariner, LLC: 0
CITADEL ADVISORS LLC: 0
3.22% of MEDIROM Healthcare Technologies Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 164.37 K shares in the last 24 months. This purchase volume represents approximately $338.60 K in transactions.